CVE-2025-42986: sap basis Auth Bypass — Fix

Description

Due to a missing authorization check in an obsolete RFC enabled function module in SAP BASIS, an authenticated low-privileged attacker could call a Remote Function Call (RFC), potentially accessing restricted system information. This results in low impact on confidentiality, with no impact on integrity or availability of the application.

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CVSS v3.1 Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weakness Type (CWE)

CWE-862 Missing Authorization

Affected Products

Vendor	Product	Versions
sap	sap_basis	All
sap	sap_basis	All
sap	sap_basis	All
sap	sap_basis	All
sap	sap_basis	All
sap	sap_basis	All
sap	sap_basis	All
sap	sap_basis	All
sap	sap_basis	All
sap	sap_basis	All

References

Advisories & Patches

https://url.sap/sapsecuritypatchday

Other References

https://me.sap.com/notes/3626440

Frequently Asked Questions

What is CVE-2025-42986? +

Due to a missing authorization check in an obsolete RFC enabled function module in SAP BASIS, an authenticated low-privileged attacker could call a Remote Function Call (RFC), potentially accessing restricted system information. This results in low impact on confidentiality, with no impact on integrity or availability of the application. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2025-42986? +

CVE-2025-42986 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-42986? +

CVE-2025-42986 affects products from sap, specifically: sap_basis. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-42986? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-42986